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US210497A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in the manufacture of paper for bank-notes, bonds, checks

Assignee: —
•
Filing: —
•
Granted: 1878-12-03
•
Expires: 1895-12-03
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 23:17
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/40; D21H21/44; D21H21/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1881-12-02 1882-06-03 1882-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1885-12-02 1886-06-03 1886-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1889-12-02 1890-06-03 1890-12-03 $7700.00 Window Closed / Lapsed

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